<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="queue.js"></script>
</head>
<body>
<script>
    var q=new Queue();
    for (var i=0;i<10;i++){
        q.enqueue(10);
    }
    console.log(q.getSize());
    q.dequeue();
    console.log(q.getSize());
</script>
</body>
</html>